This landmark overlooking Ramsbottom pays homage to Sir Robert Peel, repealer of the Corn Laws.

This 20th-century replica of a 13th-century castle has itself fallen into ruin.

A water reservoir disguised as a castle stands atop a hill in a park in Stockholm city.

One woman's Viking Castle on Lake Tahoe.

Order a salt beef-loaded beigel at any hour of the day or night at this East End institution.

Church built on the site where the last tsar of Russia and his family were killed.

This sprawling stronghold has been at the center of some of South India's bloodiest wars.

The best-preserved Roman site in India.

Modest by day, illuminated majestically at sunset.

At 8,000 feet, the world's highest tea estate draws visitors for both its products and its panoramic views.

The ruins of this old church are slowing sinking into the sand.

An ancient stone fortress considered by many to be the eighth wonder of the world.

This fort dates back to 1588 and was colonized by the Portuguese, Dutch, and English and sits prominently on the Indian Ocean where azure water lap the coast.

This palatial, 99-doored Colonial mansion is a marvel of architectural fusion.

Enormous statue of the Emperor of the Mongols.

Kolkata’s only Portuguese church has a curious link with chickens.

This lavish estate recalls the opulent history of Calcutta.

The second-longest continuous wall on the planet protects a hidden secret in the deserts of India.

The tallest statue in the world is twice the height of the Statue of Liberty.

A centuries-old fortress city lies in ruin.

This 11th-century temple gave rise to the word "juggernaut," as well as some mysteries that defy scientific explanation.

A centuries-old lookout post still sits atop a natural stone spire.

A nearly unconquerable island-fort in the Indian Ocean.

The remains of what was, not so long ago, the world's largest city.